Expose the p2p client in content/public

content/public/renderer/p2p_socket_client.h

Index: content/public/renderer/p2p_socket_client.h
diff --git a/content/public/renderer/p2p_socket_client.h b/content/public/renderer/p2p_socket_client.h
new file mode 100644
index 0000000000000000000000000000000000000000..d689d9f8dfddf6c5f5ce98d0375f004dad4c3e6e
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+++ b/content/public/renderer/p2p_socket_client.h
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+// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef CONTENT_PUBLIC_RENDERER_P2P_SOCKET_CLIENT_H_
+#define CONTENT_PUBLIC_RENDERER_P2P_SOCKET_CLIENT_H_
+
+#include <vector>
+
+#include "base/memory/ref_counted.h"
+#include "content/public/common/p2p_socket_type.h"
+#include "net/base/ip_endpoint.h"
+
+namespace content {
+
+class P2PSocketClientDelegate;
+
+// P2P socket that routes all calls over IPC.
+// Note that while ref-counting is thread-safe, all methods must be
+// called on the same thread.
+class P2PSocketClient : public base::RefCountedThreadSafe<P2PSocketClient> {
+ public:
+  // Create a new P2PSocketClient() of the specified |type| and connected to
+  // the specified |address|. |address| matters only when |type| is set to
+  // P2P_SOCKET_TCP_CLIENT. The methods on the returned socket may only be
+  // called on the same thread that created it.
+  static scoped_refptr<P2PSocketClient> Create(
+      P2PSocketType type,
+      const net::IPEndPoint& local_address,
+      const net::IPEndPoint& remote_address,
+      P2PSocketClientDelegate* delegate);
+
+  P2PSocketClient() {}
+
+  // Send the |data| to the |address|.
+  virtual void Send(const net::IPEndPoint& address,
+                    const std::vector<char>& data) = 0;
+
+  // Send the |data| to the |address| using Differentiated Services Code Point
+  // |dscp|.
+  virtual void SendWithDscp(const net::IPEndPoint& address,
+                            const std::vector<char>& data,
+                            net::DiffServCodePoint dscp) = 0;
+
+  // Must be called before the socket is destroyed.
+  virtual void Close() = 0;
+
+  virtual int GetSocketID() const = 0;
+  virtual void SetDelegate(P2PSocketClientDelegate* delegate) = 0;
+
+ protected:
+  virtual ~P2PSocketClient() {}
+
+ private:
+  // Calls destructor.
+  friend class base::RefCountedThreadSafe<P2PSocketClient>;
+};
+}  // namespace content
+
+#endif  // CONTENT_PUBLIC_RENDERER_P2P_SOCKET_CLIENT_H_